Stacey Kimmons and Audra Lewicki harvest lettuce at the Chicago Botanic Garden's 20,000-square-foot vegetable garden atop McCormick Place West in Chicago.
Courtesy of the Chicago Botanic Garden
Mah Bow Tan, a member of Singapore's Parliament, inspects Chinese cabbage growing at the commercial vertical farm. Troughs of the veggies stack up to 30 feet in the greenhouse.
Courtesy of MNDsingapore.